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Full text of "Handbook Of Chemical Engineering - I"

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MECHANICAL SEPARATION
277
quantity  discharged will be controlled by the quantity of settleable material entering the device.    Some figures will illustrate the work of the device.
FIG. 8.—Continuous cone settler.
Example 1.—Feed to cone, 27 dry tons in 24 hr.
Moisture in feed, per cent..............................    89.4
Moisture in plug product, per cent.......................    28.6
Moisture in overflow, per cent..........................    94.4
ABBREVIATED SCEEENING TEST
Screen mesh	Per cent by weight feed	Per cent by weight plug product	Per cent by weight overflow
On   65	0.28	0.80	
100	4.66	9.39	0.31
150	18.00	31.90	1.33
200	14.75	23.97	3.76
Through 200	64.31 .	33.94	94.60
Example 2.—Feed to cone 200 dry tons in 24 hr.
Moisture in feed, per cent..............................    75.4
Moisture in plug product, per cent......................    30.0
Moisture in overflow, per cent..........................    89.6